/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */


import Core.CustomerDetails;
import Core.Util;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author LamHuynh
 */
public class ProductDetailsServlet extends HttpServlet {
   
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        String filename = getServletContext().getRealPath("/Data/Customers.xml");
        CustomerDetails cusTbl = Util.getCustomerDetails(filename);
        ArrayList<Core.CustomerDetail> cusDetails = cusTbl.getCustomerDetails();
        StringBuilder strBuilder = new StringBuilder();
        strBuilder.append("<table border='1'>");
        strBuilder.append("<tr>");
        strBuilder.append("<td>Id</dt>");
        strBuilder.append("<td>Username</dt>");
        strBuilder.append("<td>Password</dt>");
        strBuilder.append("<td>FullName</dt>");
        strBuilder.append("<td>Birthday</dt>");
        strBuilder.append("<td>Phone No.</dt>");
        strBuilder.append("<td>Address</dt>");
        strBuilder.append("<td>Email</dt>");
        strBuilder.append("</tr>");/// Size bang 0. no thoat khoi vong lap
        for (int i = 0; i < cusDetails.size() ; i++) {
            Core.CustomerDetail c = cusDetails.get(i);
            strBuilder.append("<tr>");
            strBuilder.append("<td>").append(c.getId()).append("</td>");
            strBuilder.append("<td>").append(c.getUserName()).append("</td>");
            strBuilder.append("</tr>");
        }
        
        strBuilder.append("</table>");
        try {
            
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet ProductDetailsServlet</title>");  
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet ProductDetailsServlet at " + request.getContextPath () + "</h1>");
            out.println(strBuilder.toString());
            out.println("</body>");
            out.println("</html>");
            
        } finally { 
            out.close();
        }
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
